The original webtoon, based on Alphatart’s 2018 web novel and illustrated by Sumpul, concluded its run in January, leaving a massive fanbase eager for its screen adaptation. The story centers on Empress Navier (Shin Min-a), who finds her marriage to Emperor Sovieshu (Ju Ji-hoon) shattered when he takes a runaway slave, Rashta (Lee Se-young), as his concubine. As the Eastern Empire's court descends into a maelstrom of love, lust, and regret, Crown Prince Heinrey (Lee Jong-suk) of the Western Kingdom begins to turn his attention towards Navier. This complex narrative, rich with power struggles and emotional entanglements, was a significant draw for the cast. As Ju Ji-hoon noted to Variety, "Love, divorce, entanglement, the struggle for power, all make for a fascinating subject matter."

For Shin Min-a, the appeal lay in the series' unique setting—a European-style fantasy empire distinct from traditional Korean historical dramas. She shared, "I had high expectations about what kind of balance it would strike once it was made into a series." Lee Se-young took on the challenging role of Rashta, a character designed to be the "seed of conflict." She explained, "Because she has to be a character who can become the seed of conflict, I built the character from there," aiming to make her resentable yet not entirely hateable. The production itself embraced this European aesthetic, scouting castles across France, Germany, and the Czech Republic before settling on Schleissheim Palace outside Munich as a primary filming location. This choice gives "The Remarried Empress" a visual grandeur reminiscent of Western period dramas like "Bridgerton," a departure that Lee Jong-suk remarked was "something totally new for a Korean series."

Directed by Cho Su-won, known for his work on "I Can Hear Your Voice" and "Pinocchio," the series also boasts a rich history of collaboration among its stars. Shin Min-a and Ju Ji-hoon previously worked together on "The Devil" and the film "The Naked Kitchen," while Cho Su-won directed Lee Jong-suk in two prior projects. These established connections are said to enhance the on-screen chemistry, particularly in pivotal ensemble scenes. The series, produced by Studio N, launched with four episodes, followed by two new episodes each Wednesday through November 25, having premiered a day earlier than planned as a "special thank you" to its fervent fanbase. It also received an early screening at the Busan International Film Festival.

"The Remarried Empress" arrives amidst a wave of successful webtoon adaptations, a trend that has proven highly fruitful for streaming platforms like Disney+. The streamer has already seen significant international success with Kang Full’s "Moving" and another Ju Ji-hoon-led adaptation, "Light Shop." The immense anticipation for "The Remarried Empress" was evident when its main trailer amassed 13 million views within its first 48 hours, signaling another potential global hit for Disney+. This live-action rendition aims to satisfy both loyal webtoon fans and new viewers drawn to its compelling drama and opulent visuals.